MAP20071501146 Porter, Michael E. Philanthropy's new agenda : creating value / by Michael E. Porter and Mark R. Kramer An obligation to create value -- Creating value through others -- Foundations need strategy -- The state of current practice -- Addressing the new agenda En: Harvard business review. - Boston. - November-December 1999 ; p. 121-130 1. Fundaciones . 2. Creación de valor en la empresa . 3. Empresas sociales . 4. Estrategia empresarial . I. Kramer, Mark R. . II. Title. III. Título: Harvard Business Review.